一维超流性的动力学理论
Dynamical theory of superfluidity in one dimension
摘要：
报道了一维量子流体超流响应的动力学理论。在长一维系统中，超流性的出现与低温下量子相位滑移的动力学抑制有关。作为频率和温度的函数，这种抑制的效果进行了讨论的框架内的相关关联函数，这是可访问的实验，即动量响应函数。这些结果的理解的超流性质的氦限制在纳米尺寸的孔，固体$^4$ He的刃位错，和超冷原子气体的应用也进行了简要的讨论。
英文摘要：
A theory accounting for the dynamical aspects of the superfluid response of one dimensional (1D) quantum fluids is reported. In long 1D systems the onset of superfluidity is related to the dynamical suppression of quantum phase slips at low temperatures. The effect of this suppression as a function of frequency and temperature is discussed within the framework of the relevant correlation function that is accessible experimentally, namely the momentum response function. Application of these results to the understanding of the superfluid properties of helium confined in nanometer-size pores, edge dislocations in solid $^4$He, and ultra-cold atomic gases is also briefly discussed.
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